[Pw_forum] Error during phonon calculation

[Hong, SamPyo]

Hi,
During phonon calculation, I got this error. I don't understand what
these errors are about.
I appreicate any of your adivces !

Sampyo
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------------------
      iter #  12 total cpu time : 41698.2 secs   av.it.:  10.9
      thresh=  .402E-05 alpha_mix =   .100 |ddv_scf|^2 =       NaNQ
     kpoint   1 ibnd  82 linter: root not converged      -NaNQ
     kpoint   2 ibnd  82 linter: root not converged      -NaNQ
     kpoint   3 ibnd  82 linter: root not converged      -NaNQ
     kpoint   4 ibnd  81 linter: root not converged      -NaNQ
     kpoint   5 ibnd  80 linter: root not converged      -NaNQ
     kpoint   6 ibnd  80 linter: root not converged      -NaNQ
     kpoint   7 ibnd  80 linter: root not converged      -NaNQ

     Pert. #  1: Fermi energy shift (Ryd) =     -NaNQ     -NaNQ

DSWAP : 2538-2001
The number of elements (ARG NO. 1) in a vector must be greater than
or equal to zero.

DSWAP : 2538-2099
End of input argument error reporting. For more information, refer to
Engineering and Scientific Subroutine Library Guide and Reference
(SA22-7272).

DSWAP : 2538-2604
Execution terminating due to error count for error number 2099.

DSWAP : 2538-2605
Message summary:      2001     - 1

DSWAP : 2538-2605

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